Nick Sherron nicksherron

Check the THP status

cat /sys/kernel/mm/transparent_hugepage/enabled
cat /sys/kernel/mm/transparent_hugepage/defrag

Continue with the procedure described below if in one or both files the output looks as follows:

[always] madvise never

 sysbench --test=fileio --file-total-size=15G prepare

sysbench --test=fileio --file-total-size=15G --file-test-mode=rndrw  --time=300 --max-requests=0 run

	max_connections = '20'
	shared_buffers = '14GB'
	effective_cache_size = '23040MB'
	maintenance_work_mem = '10GB'
	checkpoint_completion_target = '0.9'
	wal_buffers = '1GB'
	default_statistics_target = '500'
	random_page_cost = '1.1'
	effective_io_concurrency = '300'
	work_mem = '1GB'

	docker run --rm -p 8888:8888 -p 4040:4040 \
	-e JUPYTER_ENABLE_LAB=yes \
	-v ~:/home/jovyan/work \
	jupyter/all-spark-notebook \
	start.sh jupyter lab --LabApp.token=''

	Mar 17 06:51:42 fuckboi CRON[30478]: pam_unix(cron:session): session closed for user root
	Mar 17 06:51:50 fuckboi sshd[30851]: Invalid user sherry from 46.101.128.204
	Mar 17 06:51:50 fuckboi sshd[30851]: input_userauth_request: invalid user sherry [preauth]
	Mar 17 06:51:50 fuckboi sshd[30851]: pam_unix(sshd:auth): check pass; user unknown
	Mar 17 06:51:50 fuckboi sshd[30851]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=relay.stolychnashop.com.ua
	Mar 17 06:51:51 fuckboi sshd[30851]: Failed password for invalid user sherry from 46.101.128.204 port 36718 ssh2
	Mar 17 06:51:51 fuckboi sshd[30851]: Received disconnect from 46.101.128.204: 11: Bye Bye [preauth]
	Mar 17 06:52:10 fuckboi sshd[30853]: Invalid user ubuntu from 151.80.153.174
	Mar 17 06:52:10 fuckboi sshd[30853]: input_userauth_request: invalid user ubuntu [preauth]
	Mar 17 06:52:10 fuckboi sshd[30853]: pam_unix(sshd:auth): check pass; user unknown

	FROM redis
	COPY redis.conf /usr/local/etc/redis/redis.conf
	CMD [ "redis-server", "/usr/local/etc/redis/redis.conf" ]
	EXPOSE 6379

	#http://docs.graylog.org/en/3.0/pages/installation/docker.html
	version: '2'
	services:
	# MongoDB: https://hub.docker.com/_/mongo/
	mongodb:
	image: mongo:3
	volumes:
	- mongo_data:/data/db
	# Elasticsearch: https://www.elastic.co/guide/en/elasticsearch/reference/5.6/docker.html
	elasticsearch:

	# This is the sshd server system-wide configuration file. See
	# sshd_config(5) for more information.

	# The strategy used for options in the default sshd_config shipped with
	# OpenSSH is to specify options with their default value where
	# possible, but leave them commented. Uncommented options override the
	# default value.

	#Port 22
	#AddressFamily any

	#!/bin/bash
	### BEGIN INIT INFO
	# Provides: disable-transparent-hugepages
	# Required-Start: $local_fs
	# Required-Stop:
	# X-Start-Before: mongod mongodb-mms-automation-agent
	# Default-Start: 2 3 4 5
	# Default-Stop: 0 1 6
	# Short-Description: Disable Linux transparent huge pages
	# Description: Disable Linux transparent huge pages, to improve